ND4.0

P/N 202600

ND 4.0 filter in SM1-threaded stackable holder.

Product family key features

MANAGE THE LASER POWER

CMOS sensors have low saturation levels as well as low damage thresholds. It is thus very important that you control your laser power to get the best measurement possible and avoid damaging the BEAMAGE camera.

Stack and attenuate as much as you need

These filters reduce the intensity of all wavelengths without affecting the wavefront of the beam or distorting the image. Many filters can be stacked directly on each other.

 

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  • BEAMAGE-4M BEAMAGE-4M

    Beam profiling camera. 4.2 MPixel high-resolution CMOS sensor, ISO-compliant measurements.

  • BEAMAGE-4M-IR BEAMAGE-4M-IR

    Beam profiling camera with phosphor coating for IR wavelengths (1495-1595 nm). 4.2 MPixel high-resolution CMOS sensor, ISO-compliant measurements.

Measurement capabilities

  • Spectral range

    400 - 1595 nm
  • Transmittance

    ~0.01%
  • Equivalent attenuation

    1/10,000
  • Parallelism

    < 3 arcmin
  • Optical density tolerance

    ± 5%
  • Transmitted wavefront error

    < λ/10 @ 633 nm
  • Surface quality

    40-20 Scratch-Dig

Damage thresholds

  • Maximum average power density

    100 W/cm²
  • Maximum energy density

    3 J/cm²
  • Maximum power

    1 W

Physical characteristics

  • Aperture diameter

    22.5 mm
  • Dimensions

    30.5Ø x 11.4D mm
  • Weight

    0.04 kg
  • Mounting thread

    SM1
  • Clear aperture

    90% of area
  • Dimensional tolerance

    +0.0/-0.25 mm
  • Substrate

    NG9

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